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PW300  Here is a nice specimen of a Petrified Limb Cast from Eden Valley, Wyoming.  This lovely limb cast has a nice very wood appearance on the highly polished end with a good mixture of Tan surrounded by the various Brown colors with some clearer chalcedony accents.   The pretty specimen has a natural finish on the sides highlighting the unique character of this piece.   The petrified limb cast measures almost 6 1/2″ long x 2 7/8″ x 2 1/8″ and weighs nearly 1 3/4 lbs.

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A limb cast is a psuedomorph where the original wood has been replaced by chalcedony. These pieces form when a tree was buried by ash. The wood is burned away by the hot ash and a “cast” is left. Minerals in the groundwater then permeated the cast, replacing the original organic matter and turning it to stone. The result is a rock that has the form of a tree limb. Some of these casts show the bark and wood textures. Pink and green limb casts are highly prized by collectors.

Additional information

Weight2 lbs
Dimensions4 × 3 × 3 in

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